Granted Patent
Utility
US 6,475,598 · App. 09/602,225
Magnetic recording medium
Inventors:
Koji Naoe, Kiyomi Ejiri, Masahiko Mori
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Jun 23, 2000
Inventors
Koji Naoe
Kiyomi Ejiri
Masahiko Mori
Assignee (at issue)
Fujitsu Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.